1 files changed, 107 insertions, 0 deletions
diff --git a/kexec/arch/sh/kexec-zImage-sh.c b/kexec/arch/sh/kexec-zImage-sh.c
new file mode 100644
index 0000000..9527fb6
--- /dev/null
+++ b/kexec/arch/sh/kexec-zImage-sh.c
@@ -0,0 +1,107 @@
+/*
+ * kexec-zImage-sh.c - kexec zImage loader for the SH
+ * Copyright (C) 2005 kogiidena@eggplant.ddo.jp
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2.  See the file COPYING for more details.
+ */
+
+#define _GNU_SOURCE
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <elf.h>
+#include <boot/elf_boot.h>
+#include <ip_checksum.h>
+#include "../../kexec.h"
+#include "../../kexec-elf.h"
+#include <arch/options.h>
+#include "kexec-sh.h"
+
+static const int probe_debug = 0;
+
+/*
+ * zImage_sh_probe - sanity check the elf image
+ *
+ * Make sure that the file image has a reasonable chance of working.
+ */
+int zImage_sh_probe(const char *buf, off_t len)
+{
+	if (memcmp(&buf[0x202], "HdrS", 4) != 0) {
+	        fprintf(stderr, "Not a zImage\n");
+	        return -1;
+	}
+	return 0;
+}
+
+void zImage_sh_usage(void)
+{
+	printf(
+		
+    " --append=STRING      Set the kernel command line to STRING.\n"
+    " --empty-zero=ADDRESS Set the kernel top ADDRESS. \n\n");
+
+}
+
+int zImage_sh_load(int argc, char **argv, const char *buf, off_t len,
+	struct kexec_info *info)
+{
+        char *command_line;
+	int opt;
+	unsigned long empty_zero, area;
+	unsigned char *param;
+	unsigned long *paraml;
+
+	static const struct option options[] = {
+       	        KEXEC_ARCH_OPTIONS
+		{0, 0, 0, 0},
+	};
+
+	static const char short_options[] = KEXEC_ARCH_OPT_STR "";
+
+	command_line = 0;
+	empty_zero = get_empty_zero(NULL);
+	while ((opt = getopt_long(argc, argv, short_options, options, 0)) != -1) {
+		switch (opt) {
+		default:
+			/* Ignore core options */
+			if (opt < OPT_ARCH_MAX) {
+				break;
+			}
+		case '?':
+			usage();
+			return -1;
+		case OPT_APPEND:
+			command_line = optarg;
+			break;
+		case OPT_EMPTYZERO:
+			empty_zero = get_empty_zero(optarg); 
+			break;
+		}
+	}
+	param = xmalloc(4096);
+	memset(param, 0, 4096);
+	area       = empty_zero & 0x1c000000;
+	if (!command_line) {
+	        command_line = get_append();
+	}
+	strncpy(&param[256], command_line, strlen(command_line));
+        paraml = (unsigned long *)param;
+	// paraml[0] = 1;  // readonly flag is set as default
+
+	add_segment(info, param, 4096, empty_zero, 4096);
+	add_segment(info, buf,   len,  (area | 0x00210000), len);
+
+	/* For now we don't have arguments to pass :( */
+	info->entry = (void *)(0x80210000 | area);
+	return 0;
+}